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Discontinued Operations (Details 1) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Discontinued Operations and Disposal Groups [Abstract]      
Sales from discontinued operations $ 0us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue $ 0us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue $ 106us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue
Operating profit from discontinued operations 0us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss 0us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss 7us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss
Income (loss) from discontinued operations before income taxes $ 0us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax $ (1)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax $ 6us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax